新建顺序广播

MainActivity.kt---->

package com.example.fredric.orderedbroadcast

import android.content.Intent
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button

class MainActivity : AppCompatActivity() {

    var sendBroadCastBtn: Button? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        sendBroadCastBtn = findViewById<Button>(R.id.send_broadcast_btn)
        sendBroadCastBtn?.setOnClickListener({
            var intent = Intent("com.example.broadcasttest.MY_BROADCAST")
            sendOrderedBroadcast(intent,null)
        })
    }
}



MyBroadcastReceiver.kt --->

package com.example.fredric.orderedbroadcast

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.widget.Toast

class MyBroadcastReceiver : BroadcastReceiver() {

    override fun onReceive(context: Context, intent: Intent) {
        // This method is called when the BroadcastReceiver is receiving an Intent broadcast.
        Toast.makeText(context, "Received in MyBroadcastReceiver!!", Toast.LENGTH_SHORT).show()
        abortBroadcast()
    }
}

AnotherBroadcastReceiver.kt --->

package com.example.fredric.orderedbroadcast

import android.content.BroadcastReceiver

import android.content.Context

import android.content.Intent

import android.widget.Toast

class AnotherBroadcastReceiver : BroadcastReceiver() {

    override fun onReceive(context: Context, intent: Intent) {

        // This method is called when the BroadcastReceiver is receiving an Intent broadcast.

        Toast.makeText(context,"Received in another broadcast receiver!!",Toast.LENGTH_SHORT).show()

    }

}

AndroidManifest.xml --->

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.fredric.orderedbroadcast">

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <activity android:name=".MainActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <receiver

            android:name=".MyBroadcastReceiver"

            android:enabled="true"

            android:exported="true">

            <intent-filter android:priority="100">

                <action android:name="com.example.broadcasttest.MY_BROADCAST"></action>

            </intent-filter>

        </receiver>

        <receiver

            android:name=".AnotherBroadcastReceiver"

            android:enabled="true"

            android:exported="true">

            <intent-filter>

                <action android:name="com.example.broadcasttest.MY_BROADCAST"></action>

            </intent-filter>

        </receiver>

    </application>

</manifest>

activity_main.xml --->

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context=".MainActivity">

    <Button

        android:id="@+id/send_broadcast_btn"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:textAllCaps="false"

        android:text="Send Broadcast" />

</LinearLayout>